MRC TM-8812 User Manual

4.3 Press the "Plus Key 3-6" or "Minus Key 3-9" to
select the material code to measure and then
press the Material Selection key to confirm.
The display will show "0". If you select a
material code but do not confirm the selection,
the code will automatically change to "0" after
several seconds. In such case, the meter will
still reserve the material code before exiting.
4.4 It is unnecessary to select the material code
once the material code is confirmed
(automatically stored to the memory of the
meter) unless the material to measure is
different from that before.
4.5 To browse the material code selected, if only
press the "Select Key 3-5". To quit browsing, if
only press the "Select Key 3-5" again or wait till
the code automatically change to "0" after
several seconds or the meter wjll automatically
quit to measurement state if measuring.
5. CALIBRATION
5.1 Drop a little oil on the 5 mm "Standard Block
3-12".
5.2 Press the "Calibration Key 3-8", the "CAL" be
shown on the Display. "CAL" is the short for
calibration.
5.3 Press the "Sensor 3-7" on the standard block.
The coupling symbol "«•»" is on if coupling well.
"5.0" mm (or "0.198" inch) and "CAL" will be
shown on the Display in turn. When steady,
press "CAL Key 3-8" to confirm and then the unit
return to the state of measurement.
5.4 The calibration result will be auto-saved to the
unit once confirmation. It is unnecessary to
calibrate often unless you suspect the accuracy
of measurement
6. MEASURING PROCEDURE
6.1 Press the "Power Key 3-4" to turn on the unit.
6.2 Press the "mm/inch Key 3-3" to select the right
measurement unit.
6.3 Press the "Sensor 3-7" onto the material
surface to measure on the premise that the
material code selected is right. Be sure that
coupling is well and the "Symbol «•» 3-11" is on.
The reading on display is the measurement
value.
6.4 The reading is held till a new measurement
value is coming. The last value is held on the
display till the power is off.
6.5 There are 2 modes to turn off the power, i.e.
Manual off at any time by pressing the power
key or Auto power off after about 2 minutes from
last key operation.
7. MEASURING BY VELOCITY SETTING
7.1 Press the "VEL Key 3-13" and the display
shows the velocity set last time.
7.2 How to measure its thickness by the velocity
known ?
The velocity can be changed by pressing the
"Plus Key" or "Minus key" to the value of known
velocity. The increment is 10m/s every time at
first when pressing the plus or "Minus Key".
And the increment is 100m/s if depressing the
key for more than about 4 seconds.
7.3 Drop a little oil onto the material to measure
and press the "Sensor 3-7" onto the surface.

MRC TM-8812 Specifications

General

Brand	MRC
Model	TM-8812
Category	Measuring Instruments
Language	English